McLean, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 78°F 26°C Heat Index: 78°F	Observed at: McLean, IL	Elevation: 781 ft | 238 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 78°F | 26°C
	Pressure: 29.26 in | 990.7 mb	Dewpoint: 73°F | 23°C
	Humidity: 85%	Wind: S 4 mph | S 6 kph
	Feels Like: 87°F | 31°C	Visibility: 32 mi | 51.5 km
	Lat/Long: 40.3144 | -89.1697	Sunrise: 5:40 AM   Sunset: 8:24 PM

7 Day Graphical Forecast

Valid: 10:23 PM 7/16/2026

Tonight Mostly Clear 71 °F 5% Chance Precipitation Friday Overcast 89 |73 °F 28% Chance Precipitation Saturday Drizzle 92 |74 °F 56% Chance Precipitation Sunday Overcast 81 |66 °F 19% Chance Precipitation Monday Light Drizzle 86 |67 °F 14% Chance Precipitation Tuesday Overcast 86 |67 °F 17% Chance Precipitation Wednesday Overcast 70 |51 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:23 PM 7/16/2026

10 PM Clear 79 °F 1% Chance Precipitation

11 PM Clear 78 °F 3% Chance Precipitation

12 AM Clear 77 °F 4% Chance Precipitation

1 AM Clear 76 °F 4% Chance Precipitation

2 AM Clear 75 °F 5% Chance Precipitation

3 AM Clear 75 °F 7% Chance Precipitation

4 AM Partly Cloudy 74 °F 8% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for McLean, IL - (Fahrenheit & Celsius) Valid: 10:23 PM 7/16/2026 Tonight Mostly Clear with a low around 71°F [22°C]. SW wind to around 7 mph [11 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 89°F [32°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.65. Chance of precipitation 28% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 73°F [23°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 28% with QPF of 0.00 in [0.0 mm]. Saturday Drizzle with a high near 92°F [33°C]. W wind to around 17 mph [27 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 73°F [23°C] with humidity of 93%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.65. Chance of precipitation 56% with QPF of 0.03 in [0.8 mm]. Saturday Night Drizzle with a low around 74°F [24°C]. W wind to around 17 mph [27 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 56% with QPF of 0.03 in [0.8 mm]. Sunday Overcast with a high near 81°F [27°C]. E wind to around 8 mph [13 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 73°F [23°C] with humidity of 96%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.65. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 66°F [19°C]. E wind to around 8 mph [13 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Monday Light Drizzle with a high near 86°F [30°C]. S wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 73°F [23°C] with humidity of 93%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.15. Chance of precipitation 14% with QPF of 0.04 in [0.9 mm]. Monday Night Light Drizzle with a low around 67°F [19°C]. S wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 14% with QPF of 0.04 in [0.9 mm]. Tuesday Overcast with a high near 86°F [30°C]. WNW wind to around 20 mph [32 kph], with gusts to near 35 mph [57 kph]. Dewpoint near 73°F [23°C] with humidity of 87%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.55. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 67°F [19°C]. WNW wind to around 20 mph [32 kph], with gusts to near 35 mph [57 kph]. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 70°F [21°C]. NNE wind to around 15 mph [25 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 73°F [23°C] with humidity of 87%. Pressure around 29.26 in [990.7 mb]. UV Index: 7.5. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 51°F [10°C]. NNE wind to around 15 mph [25 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for McLean, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.8 mm | 0.03 in

Saturday Night: 0.8 mm | 0.03 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.9 mm | 0.04 in

Monday Night: 0.9 mm | 0.04 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for McLean, IL

Tonight: SW @ 11 kph | 7 mph

Friday: SW @ 16 kph | 10 mph

Friday Night: SW @ 16 kph | 10 mph

Saturday: W @ 27 kph | 17 mph

Saturday Night: W @ 27 kph | 17 mph

Sunday: E @ 13 kph | 8 mph

Sunday Night: E @ 13 kph | 8 mph

Monday: S @ 19 kph | 12 mph

Monday Night: S @ 19 kph | 12 mph

Tuesday: WNW @ 32 kph | 20 mph

Tuesday Night: WNW @ 32 kph | 20 mph

Wednesday: NNE @ 25 kph | 15 mph

Wednesday Night: NNE @ 25 kph | 15 mph

7 Day and Night - Maximum Humidity Forecast for McLean, IL

Tonight: 93 %

Friday: 94 %

Friday Night: 94 %

Saturday: 93 %

Saturday Night: 93 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 93 %

Monday Night: 93 %

Tuesday: 87 %

Tuesday Night: 87 %

Wednesday: 87 %

Wednesday Night: 87 %

7 Day and Night - Snowfall Totals Forecast for McLean, IL

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Contact Us | Mobile Private Policy | Terms & Conds | Consent Preferences | Cookie Policy Never base any life decisions on weather information from this site or anywhere over the Internet. Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus Copyright © 2026 El Dorado Weather, Inc. | Site Designed By:  Webmaster Danny